ECRON SM-32E Manual Del Usuario página 45

c. High Natural Wind - The wind settings will repeat the
following 90 seconds wind cycle with high speed being the
most common.
3) Sleep mode: Sleep mode is similar with Natural mode, but
in sleep mode, the wind is more moderate and healthy,
suitable for sleep.
TIMER: The fan is equipped with a timer that allows you to
set its length of operation from 0.5 hour to 7.5 hours,
increased by 0.5 hour intervals.
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